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#
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from __future__ import annotations

import pytest

from airflow.datasets import Dataset
from airflow.operators.empty import EmptyOperator


@pytest.mark.parametrize(
    ["uri"],
    [
        pytest.param("", id="empty"),
        pytest.param("\n\t", id="whitespace"),
        pytest.param("a" * 3001, id="too_long"),
        pytest.param("airflow:" * 3001, id="reserved_scheme"),
        pytest.param("😊" * 3001, id="non-ascii"),
    ],
)
def test_invalid_uris(uri):
    with pytest.raises(ValueError):
        Dataset(uri=uri)


def test_uri_with_scheme():
    dataset = Dataset(uri="s3://example_dataset")
    EmptyOperator(task_id="task1", outlets=[dataset])


def test_uri_without_scheme():
    dataset = Dataset(uri="example_dataset")
    EmptyOperator(task_id="task1", outlets=[dataset])
